1000020012133 has 4 divisors (see below), whose sum is σ = 1000050402988. Its totient is φ = 999989621280.

The previous prime is 1000020012119. The next prime is 1000020012157. The reversal of 1000020012133 is 3312100200001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 733039055329 + 266980956804 = 856177^2 + 516702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000020012133 - 2⁹ = 1000020011621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020013133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15146016 + ... + 15211897.

It is an arithmetic number, because the mean of its divisors is an integer number (250012600747).

Almost surely, 2^{1000020012133} is an apocalyptic number.

It is an amenable number.

1000020012133 is a deficient number, since it is larger than the sum of its proper divisors (30390855).

1000020012133 is an equidigital number, since it uses as much as digits as its factorization.

1000020012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30390854.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1000020012133 its reverse (3312100200001), we get a palindrome (4312120212134).

The spelling of 1000020012133 in words is "one trillion, twenty million, twelve thousand, one hundred thirty-three".